Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Summary Of Open Tax Years, By Jurisdiction

The Company's earliest open years in its key jurisdictions are as follows:

United States	2012
Various U.S. states	2009
South Africa	2008

Schedule Of Income Tax (Provision) Benefit Allocation

The Company's income tax (provision) benefit and amounts separately allocated were attributable to the following items for the years ended December 31, 2013, 2012 and 2011:

	Year Ended December 31,
	2013		2012			2011
	(in thousands)
Income tax (provision) benefit from continuing operations	$	211,775	$	(290,488	)	$	(188,278	)
Income tax (provision) benefit from discontinued operations	250,882		182,437			(267,314		)
Changes in goodwill - tax benefits related to stock-based compensation	—		—			40
Changes in stockholders' equity:
Net deferred hedge (loss) gain	—		(1,725		)	8,407
Excess tax benefit related to stock-based compensation	17,639		58,486			31,087
Tax benefit attributable to conversion of 2.875% senior convertible notes	38,415		—			—
Tax benefit attributable to 2013 merger with Pioneer Southwest	200,091		—			—
Tax attributable to 2008 Pioneer Southwest initial public offering	—		(49,072		)	—
Tax attributable to 2009 and 2011 issuance of Pioneer Southwest common units	—		—			(23,711		)
Tax on Pioneer Southwest common units sold by the Company during 2011	—		—			(15,381		)

Income Tax (Provision) Benefit Attributable To Income From Continuing Operations

The Company's income tax (provision) benefit attributable to income from continuing operations consisted of the following for the years ended December 31, 2013, 2012 and 2011:

	Year Ended December 31,
	2013			2012			2011
	(in thousands)
Current:
U.S. federal	$	(10,406	)	$	(5,575	)	$	—
U.S. state	44			1,316			(6,948		)
Foreign	(237		)	—			—
	(10,599		)	(4,259		)	(6,948		)
Deferred:
U.S. federal	201,060			(272,289		)	(179,699		)
U.S. state	21,314			(13,940		)	(1,631		)
	222,374			(286,229		)	(181,330		)
Income tax (provision) benefit from continuing operations	$	211,775		$	(290,488	)	$	(188,278	)

Schedule Of Effective Income Tax Rate Reconciliation

Reconciliations of the United States federal statutory tax rate to the Company's effective tax rate for income (loss) from continuing operations are as follows for the years ended December 31, 2013, 2012 and 2011:

	Year Ended December 31,
	2013			2012			2011
	(in thousands, except percentages)
Income (loss) from continuing operations before income taxes	$	(561,719	)	$	837,520		$	596,068
Less: Net income attributable to noncontrolling interests	(38,865		)	(50,537		)	(47,425		)
Income (loss) from continuing operations attributable to common stockholders before income taxes	(600,584		)	786,983			548,643
Federal statutory income tax rate	35		%	35		%	35		%
(Provision) benefit for federal income taxes	210,204			(275,444		)	(192,025		)
State income tax (provision) benefit (net of federal tax)	13,883			(8,206		)	(5,576		)
Other	(12,312		)	(6,838		)	9,323
Income tax (provision) benefit from continuing operations	$	211,775		$	(290,488	)	$	(188,278	)
Effective income tax rate, excluding income attributable to the noncontrolling interest	35		%	37		%	34		%

Schedule Of Deferred Tax Assets And Deferred Tax Liabilities

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities related to continuing operations are as follows as of December 31, 2013 and 2012:

	December 31,
	2013			2012
	(in thousands)
Deferred tax assets:
Net operating loss carryforward (a) (b)	$	328,874		$	509,485
Asset retirement obligations	73,623			72,391
Incentive plans	67,990			51,056
Other	74,184			107,836
Total deferred tax assets	544,671			740,768
Deferred tax liabilities:
Oil and gas properties, principally due to differences in basis, depletion and the deduction of intangible drilling costs for tax purposes	(1,569,886		)	(2,322,571		)
Other property and equipment, principally due to the deduction of bonus depreciation for tax purposes	(254,632		)	(263,939		)
Net deferred hedge gains	(108,784		)	(173,097		)
Other	(103,255		)	(208,058		)
Total deferred tax liabilities	(2,036,557		)	(2,967,665		)
Net deferred tax liability	$	(1,491,886	)	$	(2,226,897	)
Reflected in accompanying consolidated balance sheets as:
Current deferred income tax liability	$	(19,169	)	$	(86,481	)
Noncurrent deferred income tax liability	(1,472,717		)	(2,140,416		)
Total	$	(1,491,886	)	$	(2,226,897	)

____________________

(a) Net operating loss carryforwards as of December 31, 2013 consist of $917.4 million of U.S. federal NOLs which expire primarily in 2032, $122.0 million of Colorado NOLs which expire between 2027 and 2033 and $50.6 million of Kansas NOLs which expire between 2018 and 2023.

(b) Net operating loss carryforwards as of December 31, 2013 are net of a $1.5 million valuation allowance relating to $32 million of Kansas NOLs that the Company believes will more likely than not expire unutilized.